C / C++ / MFC Discussion Boards

Re: error C2653: 'TryIt' : is not a class or namespace name

Mark Salsbery17-Apr-07 6:25

17-Apr-07 6:25

cp9876 wrote:
The problem with this is that when you edit the .CPP files and insert #includes, #defines, declarations, or other code before the "#include 'stdafx.h'" line, all of it is ignored by the compiler. This is the correct behavior because when the compiler is using the precompiled header, it starts to compile the code in the .CPP file after skipping past the "stdafx.h" line.

Ok I gotcha. I was thinking of when the precompiled header is precompiled, everything
through the indicated file is precompiled. Blush | :O

Mark

"Posting a VB.NET question in the C++ forum will end in tears." Chris Maunder

Re: error C2653: 'TryIt' : is not a class or namespace name

JudyL_MD17-Apr-07 8:00

JudyL_MD

17-Apr-07 8:00

Mark Salsbery wrote:
Ok I gotcha. I was thinking of when the precompiled header is precompiled, everything
through the indicated file is precompiled

Your thinking is correct. Given that the precompiled header options were not changed from the defaults that VS uses, the precompiled header was created when stdafx.cpp was compiled. The OP probably added his includes in a "real" source file, not stdafx.cpp. In that case, everything prior to "#include stdafx.h" is ignored. If the #include for the class in question had been added to stdafx.cpp before the usual single line #include "stdafx.h", it would have worked.

Just for posterity's sake if someone searches for this thread ... I do not recommend changing stdafx.cpp. If something needs to be included in every file in the project, change YourProjectApp.h or stdafx.h

Judy

Re: error C2653: 'TryIt' : is not a class or namespace name

Mark Salsbery17-Apr-07 8:06

Mark Salsbery

17-Apr-07 8:06

Thanks Judy!

I was confused taking the comment out of context (or sticking my nose in something not my
business, depending on how one looks at it). Smile | :)

Mark

"Posting a VB.NET question in the C++ forum will end in tears." Chris Maunder

Re: error C2653: 'TryIt' : is not a class or namespace name

JudyL_MD17-Apr-07 8:12

JudyL_MD

17-Apr-07 8:12

Mark Salsbery wrote:
(or sticking my nose in something not my
business, depending on how one looks at it).

That's what we all do - note that I hadn't been involved in this thread until I responded to you. You usually seem to know what you're doing and you sounded confused, so I stuck my nose in to rememdy your confusion.

Judy

Re: error C2653: 'TryIt' : is not a class or namespace name

cp987617-Apr-07 13:20

cp9876

17-Apr-07 13:20

I think this comment in MSDN is pretty poor:

--------------------------------------------------------
This behavior can lead to compiler errors that do not seem to make sense, because it appears that you are including all the needed declarations and header files in the .CPP file. For example, some of the errors that may result are the following:

• error C2065: 'CTestClass' : undeclared identifier
• error C2146: syntax error : missing ';' before identifier 'tc'
• error C2064: term does not evaluate to a function
--------------------------------------------------------

surely this should have been a signal to someone that their precompiled header logic needs some improvement - simply checking that the headers precompiled in the top level file would trap most mistakes.

Peter
"Until the invention of the computer, the machine gun was the device that enabled humans to make the most mistakes in the smallest amount of time."

Re: error C2653: 'TryIt' : is not a class or namespace name

Michael Dunn17-Apr-07 18:14

Michael Dunn

17-Apr-07 18:14

cp9876 wrote:
By the way, what is a 'public class', I know that for nested classes you can have public / private etc, but in global scope? What would a private class do?

Having public there isn't legal C++, it's probably the poster's Java and/or C# habits showing in his C++ Wink | ;)

--Mike--
Visual C++ MVP Cool | :cool:

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Control Font

baerten15-Apr-07 21:04

baerten

15-Apr-07 21:04

Hi everybody,

i add controls dynamically on a CDialog.
The font of each control is bold and too big. (CStatic,CComboBox and CEdit)

The font of the Dialog is set to "Ms Shell Dlg (8)" ... not bold or too big

Does anyone have an idea?

Thanks

Re: Control Font

Gospodin Baron15-Apr-07 22:05

Gospodin Baron

15-Apr-07 22:05

Hi!
May be you should get font of dialog and set it on all child controlls manually. I mean some like that:
CDialog * pDlg; //already init
CFont * pF = 0;
pDlg->GetFont(pF);
...
ChildWindowPtr->SetFont(pF);

Best regards,
Baron

Re: Control Font

Hamid_RT15-Apr-07 22:13

Hamid_RT

15-Apr-07 22:13

If you want to change font you can use of SetFont and also you can use of CreateFont for new font.Is this helpfuls?

WhiteSky

Re: Control Font

baerten16-Apr-07 0:34

baerten

16-Apr-07 0:34

Thanks for your replies. Big Grin | :-D

The way over the pointer to the Font of the Dialog seems not to work
CDialog * pDlg; //already init
CFont * pF = 0;
pDlg->GetFont(pF);

I created my own Font and associate it to new controls, which works now Smile | :)

Re: Control Font

Hamid_RT16-Apr-07 0:51

Hamid_RT

16-Apr-07 0:51

And when you create font in the end use of DeleteObject function to delete it.;)

WhiteSky

DHCP identification?

Sunil P V15-Apr-07 20:43

Sunil P V

15-Apr-07 20:43

Hi All,

How do i know whether DHCP(Dynamic Host Configuration Protocol)is complete after an ethernet cable is plugged into my system?

I am using VC++(VS2005). Is there any kind of callback or any API to determine this?

Any suggestions? Please help Sigh | :sigh:

Sunil

Forms

ibhelmer15-Apr-07 20:39

ibhelmer

15-Apr-07 20:39

Hi I want to open a form from a running form, how is that done ?
Regards

Re: Forms

baerten15-Apr-07 21:06

baerten

15-Apr-07 21:06

Hi,

you try to open a CDialog deriven form, or change a view into a Frame, or
open a new Frame within a new view?

I try to help you at my best

Re: Forms

toxcct15-Apr-07 22:47

toxcct

15-Apr-07 22:47

are you talking about .NET Windows Forms ?
if so, you're on the wrong forum.

but if using mfc, use the DoModal() function for instance. see an example[^]

[VisualCalc][Binary Guide][CommDialogs] | [Forums Guidelines]

How to change the colour of a mainframe or dialog

yaminisridaran15-Apr-07 20:05

yaminisridaran

15-Apr-07 20:05

I used CColorDialog for choosing colour but the color chossen should be displayed in mainframe

S.Yamini

Re: How to change the colour of a mainframe or dialog

Programm3r15-Apr-07 21:08

Programm3r

15-Apr-07 21:08

See Here[^]

Read some of the comments as well, cause there are some solutions too.

Regards,

The only programmers that are better than C programmers are those who code in 1's and 0's..... Smile | :)

Programm3r
My Blog: ^_^

Re: How to change the colour of a mainframe or dialog

Hamid_RT15-Apr-07 22:12

Hamid_RT

15-Apr-07 22:12

Do you want to show selected color or apply this color for background color ?

WhiteSky

Re: How to change the colour of a mainframe or dialog

yaminisridaran15-Apr-07 22:38

yaminisridaran

15-Apr-07 22:38

yes thats correct

S.Yamini

Re: How to change the colour of a mainframe or dialog

Hamid_RT16-Apr-07 0:45

Hamid_RT

16-Apr-07 0:45

yaminisridaran wrote:
yes thats correct

oh but Which? not problem Wink | ;)

For apply selected color use of

WM_CTLCOLOR </code message and you need to a variable for hold return value that is COLORREF for use in the <code>SetBkColor

.
-----------------------------------------
For show an intensity value of selected color GetRValue for red GetGValue for green GetBValue for blue.

WhiteSky

Messagebox on cross button of SDI window

neha.agarwal2715-Apr-07 19:49

neha.agarwal27

15-Apr-07 19:49

Hello all,

I have made a SDI application.On close window of that SDI application(i.e Cross in the upper right corner) i want to show a Message Box when i click on that.

How to do it???

Thanks in Advance...

Re: Messagebox on cross button of SDI window

prasad_som15-Apr-07 20:01

prasad_som

15-Apr-07 20:01